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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?
5399what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?
4 27233HOW TO CONVERT 0-60KG/CM2 PRESSURE TRANSMITTER TO A LEVEL TRANSMITTER? CAN WE ABLE TO DO IT? IF YES HOW TO DO IT BY USING HART?
3 9101how we can measure the interface level?is it possible to measure interface level with dp or pressure transmitter?
2 5848Is it possible to drill additional gland hole in EExd or EExe JBs? What are the points to take care?
2 5557can we change the range of 3151 model level transmitter of rosemount make? present calibration range is 1000mmwc and want to change it to 2000mmwc
4 8142Post New Instrumentation Questions
what is the difference between -24 : +24 & 0:24 and where it use?
how do u calibrate the vacuum transmitter if it shows more reading
i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com
whats the abbreviation of IOP? is it instrument of power or input open problem?
How process line mpm calculation is done?
What is difference between differential pressure & delta pressure?
A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.
What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?
how to calculate range of level transmitter?
Why rdt and thermocouple both give different output .and one things more, how to generate ohm or mili volt plz mail me merajalam143545@yahoo.com
how to design orifice plate?what is the equation?
Why plc require in analog input 4-20amp & 0-10 volt?
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
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Tr. Wiring for calibration.
